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FRANKLI'N BABGOCK, on' MIDDUTQWN,l GONNGT'IGUT C Letters Patent No.82,580, dated Septemer 29, 186@ -V .IMPROVEMENT IN SABE-HOLDERS.

T0 ALL WHOM IT MAY CONCERN:

Be it known that I, FR'ANKLIN BABcocK, of Middletown, county ofMiddlesex, and Stem of Connecticut,-

have invented n'new and imoroved Window-Spring Catch; and I doherebydecla@ that thefllowng is a. full and exact description, referfnce beinghad to the'uccompanying drawings. Figure 1 is s seetiomzl'r-Jimr, ,o .AY,

Figure 2 is a perspective view, and Figure 3 an end View. To ennbleothers skilled in the a'rt to make and use my invention, I will proceedto describe tseonstruction and operation. 4 t

I make a cylindrical shcllcase, having a. screw cut on its outerperiphery, foi' the purpose of screwing it f-.tst to the window-frame,the hole being bored to the proper size, which is easily applied,andheld more secure than other springs nor: used* I I i i The thumb-catch,at a, being round, and having a spiral spring, B, aroundv it, it is heldsecurely inside the shell. The stem a passing through the bottom of the'shell c, is riveted so 'as to prevent its being forced out of its placeby the spring. The novelty of my invention is that`it is cheap, durable,and compact in foi-mond easily applied to the wndow'frame. i i

I :1m nwaredzhat the catch herein shown and'tcscribed, when-the severalcomponentprts are taken separately, is not new. My invention consists inthe combination of the devices specied 'for-forminga neat, practical,and economical device, for the purposes s et forth.

The combination of thescrew-socket A, sliding shoulder with HngeCVI-item a, and spring b, ail as :tud

for the purposes set forth.

FRANKLIN BABCOCK.

Witnesses:

SAMUEL L. WARNER, SAMUEL C. HUBBARD.

